We describe a [2]rotaxane whose recognition sites for the ring are a dibenzylammonium moiety, endowed with acidic and H-bonding donor properties, and an imidazolium center bearing a photoactive phenylazo substituent. Light irradiation of this compound triggers a network of E/Z isomerization and proton transfer reactions that enable autonomous and reversible ring shuttling away from equilibrium.
Nicoli, F., Curcio, M., Tranfić Bakić, M., Paltrinieri, E., Silvi, S., Baroncini, M., et al. (2022). Photoinduced Autonomous Nonequilibrium Operation of a Molecular Shuttle by Combined Isomerization and Proton Transfer Through a Catalytic Pathway. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 144(23), 10180-10185 [10.1021/jacs.1c13537].
Photoinduced Autonomous Nonequilibrium Operation of a Molecular Shuttle by Combined Isomerization and Proton Transfer Through a Catalytic Pathway
Nicoli, Federico;Curcio, Massimiliano;Paltrinieri, Erica;Silvi, Serena;Baroncini, Massimo;Credi, Alberto
2022
Abstract
We describe a [2]rotaxane whose recognition sites for the ring are a dibenzylammonium moiety, endowed with acidic and H-bonding donor properties, and an imidazolium center bearing a photoactive phenylazo substituent. Light irradiation of this compound triggers a network of E/Z isomerization and proton transfer reactions that enable autonomous and reversible ring shuttling away from equilibrium.| File | Dimensione | Formato | |
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